A mug is a large cup with a handle. Mug or Mugs may also refer to: Arts, entertainment, and media Mug (film), a 2018 Polish film Mug EP, by the band Creaming Jesus Mr. Mugs, a main character in a series of children's books by Martha Kambeitz and Carol Roth Legends and mythology Mug Corb, a legendary High King of Ireland Mug Nuadat, in Irish mythology a king of Munster Mug Ruith, in Irish mythology a powerful blind druid Law enforcement Mug book, a collection of photographs of criminals, typically mugshots Mug shot, a photographic portrait of a person from the waist up, typically taken after a person is arrested Other uses Mug, an American slang term for the face Mug, British slang term for cuckold e.g., as used in Parade's End Metric slug, or Mug a unit of mass Mug Root Beer, a beverage brand See also MUG (disambiguation) "Mugged" (Flight of the Conchords), the third episode of the TV series Flight of the Conchords Mugging (disambiguation)